Derivatives - Fair Value of Derivative Contracts (Detail) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets	$ 4,343	$ 3,762
Liabilities	4,935	7,633
Notional Amounts	192,618,260	7,150,798
FX swaps
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets	2,838	3,134
Liabilities	3,901	5,796
Notional Amounts	560,009	586,020
Interest rate swaps
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets	547	25
Liabilities	0	0
Notional Amounts	185,701,672	2,114,412
Futures
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets	684	0
Liabilities	0	1,268
Notional Amounts	6,145,380	4,253,088
Forwards
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets	274	603
Liabilities	1,034	569
Notional Amounts	$ 211,199	$ 197,278

Fair value as of the balance sheet date of derivative instrument not designated as hedging instrument and classified as an asset.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-Subparagraph (c)(2)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-4B

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- Definition

Fair value as of the balance sheet date of derivative instrument not designated as hedging instrument and classified as a liability.

+ References

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- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-1B

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1A
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-1A

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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